Floor layout of a single-level commuter or intercity rail car, entered from a vestibule through a center aisle. Minimum dimensions for doors and vestibule are as required by the section. Two wheelchair users, one on each side of the car, are seated just inside the bulkhead separating the vestibule from the passenger compartment. Fold-up seats are provided in the wheelchair seating area for use when they are not occupied by wheelchair users.